Master 3 minutes make 5 parts, apprentice 7 minutes make same 6 parts, master's availability is number taller than apprentice.

师傅3分钟做5个零件，徒弟7分钟做6个同样的零件，师傅的工作效率比徒弟高多少。

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The sequel at Old Trafford on March 5 cannot come quickly enough following this latest installment in the fascinating duel between the master and his apprentice.

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